Agent Name

C.I. Fluorescent brightener 28, disodium salt

Alternative Name

Cellufluor

CAS Number

4193-55-9

Formula

C40-H42-N12-O10-S2.2Na

Major Category

Dyes

Synonyms

2,2'-(1,2-Ethenediyl)bis(5-(4-(bis(2-hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)benzenesulfonic acid, disodium salt; 4,4'-Bis((2-anilino-4-(bis(2-hydroxyethyl)amino)-1,3,5-triazin-6-yl)amino)stilbene-2,2'-disulfonic acid, disodium salt; 4,4'-Bis((4-anilino-6-(bis(2-hydroxyethyl)amino)-1,3,5-triazin-2-yl)amino)-stilbene-2,2'-disulfonic acid, disodium salt; 4,4'-Bis((4-anilino-6-(bis(2-hydroxyethyl)amino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulfonic acid, disodium salt; Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, disodium salt; Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, disodium salt; Blancophor MS 31; Blancophor MS 72; Blancophor RG 96FS; C.I. 40622; C.I. Fluorescent Brightener 28; C.I. Fluorescent Brightening Agent 28, disodium salt; Calcofluor White LRP; Calcofluor White M 2R; Calcofluor White ST; Cellufluor; Fluorescent Brightener 28; Hiltamine Arctic White CWD; Kayaphor FB; Paper White BP; Phorwite AR; Tinopal 5BMS; Tinopal UNPA; Tinophen MS 31; Tinophen MS 72; Uvitex 4BM; 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-anilino-6-bis(2-hydroxyethyl)amino-s-triazin-2-yl)amino)-, disodium salt; Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, sodium salt (1:2); Disodium 4,4'-bis(6-anilino-(4-(bis(2-hydroxyethyl)amino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate; [ChemIDplus]

Category

Carbocyanine Dyes

Description

Yellowish odorless solid; [OECD SIDS]

Sources/Uses

Used as a whitening agent for paper and textiles; Can be used to brighten polyamides; [OECD SIDS] Also used to make soaps and cleaning compounds; [Reference #1] "Fluorochrome with affinity for chitin and cellulose." [ChemIDplus]

Comments

A moderate eye irritant; [RTECS] Causes no skin irritation and minor eye irritation in rabbits; Not a skin sensitizer in a guinea pig maximization assay; In 2-year oral studies, male rats had minor reduction in body weigh and increased relative liver weight (considered adaptive); No effects noted for females at the highest tested doses; No evidence of developmental toxicity, teratogenicity, mutagenicity, or carcinogenicity; [OECD SIDS] An irritant; [Sigma-Aldrich MSDS]

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